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Spindle Oil Chiller Manufacturer and Supplier China
- Cooling capacity ranges from 1.75kW to 45kW
- Temperature control ranges 10°C to + 50°C
- Fin and tube type air-cooled condenser
- A coil in tank / brazed plate heat exchanger
- Water+ glycol solution/soft water as fluids
- Environment-friendly refrigerant, R134a
- Easy to install both indoor and outdoor
- Warranty up to 24 months after purchase
Your Trusted Spindle Oil Chiller Manufacturer and Supplier in China
ChillerOne spindle oil chillers are specifically designed to prolong the lifespan of machine spindles. Whether you are operating CNC machines like CNC mills, turning centers, or grinding machines, allowing the spindle oil to overheat can damage your machine extensively.
Our spindle oil chillers use chilled water recirculation to maintain the desired temperature for machine spindles to operate optimally. Remember, spindles are sensitive to overheating; therefore, you must choose an accurate and stable chiller system. Our chiller units for oil spindles guarantee thermal stability of ±1°C.
By cooling spindle oil, you reduce thermal expansion while minimizing wear and tear. All these will improve your machine’s cutting accuracy and geometrical tolerance, which increases productivity.
At ChillerOne, we believe in providing custom solutions according to our clients’ machine specifications. You can choose ChillerOne’s air-cooled spindle oil chillers, water-cooled spindle oil chillers, or compact spindle chillers. Our engineers will help you choose the right cooling system.
You can extend the lifespan and accuracy of your machine today by investing in tested and certified spindle oil chillers. As a company, we have over 20 years of experience in designing oil chillers for machinery – talk to our chiller experts now.
Our air-cooled design keeps spindle oil at a stable temperature without needing a water connection, making it easy to install and run.
This model includes a clear digital screen for easy monitoring and precise temperature control during machine operation.
Compact and efficient, our mini chiller is ideal for small CNC machines or limited workspace setups.
Built for heavier loads, this three-phase unit delivers strong and stable cooling for high-demand spindle systems.
Designed specifically for CNC machines, this chiller prevents overheating and helps maintain cutting accuracy and machine stability.
This model supports both spindle and hydraulic systems, offering dual-purpose cooling for more complex machine setups.
Our sprinkle cooling design ensures efficient oil circulation and fast heat removal for consistent spindle performance.
Built with copper coils for better heat transfer and long-term durability, this unit provides reliable temperature control for precision machining.
Water Cooled Spindle Oil Chiller
The water cooled spindle oil chiller uses circulating cooling water as the cooling medium and exchanges heat with the high-temperature lubricating oil through plate or shell and tube heat exchangers. Heat is transferred from the oil to the water, then carried away by the water and discharged to the outside.
- Advantages: It has a high cooling efficiency, good heat dissipation effect, and operates relatively quietly, which is especially suitable for high-heat and high-power spindles.
- Disadvantages: It requires a supporting cooling water system such as a water source, water tower or chiller, and the installation is relatively complex. Moreover, it is necessary to prevent scale blockage and pipeline corrosion.
Air Cooled Spindle Oil Chiller
The air cooled spindle oil chiller uses ambient air as the cooling medium and is forced to cool by a fan. When high-temperature oil flows through the heat dissipation fins, the fan will blow air over the fins, thereby carrying away the heat of the oil and dissipating it into the atmosphere.
- Advantages: It is easy to install and does not require an external water source. Just connect to the power supply and it can be used. In addition, it is flexible to move and easy to maintain. The main task is to clean the fins.
- Disadvantages: Its cooling efficiency is usually lower than that of water-cooled types, and the operation of the fan will generate a certain amount of noise. In addition, it is quite sensitive to the ambient temperature, and its cooling effect will decline in summer.
Reliable Certification
Applications of Spindle Oil Chillers
Our spindle oil chiller can counteract the thermal deformation caused by high-speed cutting by precisely controlling the spindle temperature, which ensures that the size and shape of each of your parts remain consistent during long-term, high-volume production processes.
Under the huge load of heavy-duty cutting, the spindle is subjected to a sharp temperature rise caused by high torque. Our spindle oil chiller can promptly remove heat, preventing the spindle from losing rigidity and accuracy due to overheating, thus ensuring that your machine tool can continuously and stably perform large cutting volume processing.
In equipment such as compressors and injection molding machines, the spindle oil chiller can maintain the performance of the lubricating oil and the temperature of the bearings, ensuring the reliability and long service life of your equipment under continuous heavy-load operation and preventing unplanned shutdowns caused by overheating.
For equipment such as coordinate boring and grinding machines and ultra-precision lathes, thermal deformation at the micrometer level can cause serious consequences. The use of a spindle oil chiller can maintain an absolutely stable thermal environment, suppressing the thermal expansion of the spindle to a negligible level, thereby achieving the ultimate processing accuracy.
- Specification
- Video
- Spare Parts
- Successful Application Examples
Spindle Chiller Technical Specifications
| Item\Model | AC-0.5A | AC-1A | AC-1.5A | AC-2A | AC-2.5A | AC-3A | AC-4A | AC-5A | AC-6A | AC-8AD | AC-10AD | AC-12AD | AC-15AD | AC-20AD | AC-25AD | AC-30AT | |
| Cooling capacity | Kcal/h 50HZ/60HZ | 1419 | 2451 | 3182 | 4833 | 5848 | 7181 | 9288 | 11988 | 14534 | 18576 | 23994 | 29068 | 38270 | 49966 | 58480 | 74922 |
| 1703 | 2941 | 3784 | 5800 | 7018 | 8617 | 11146 | 14386 | 17441 | 22291 | 28793 | 34882 | 45924 | 59959 | 70176 | 89990 | ||
| KW 50HZ/60HZ | 1.65 | 2.85 | 3.7 | 5.62 | 6.8 | 8.35 | 10.8 | 13.94 | 16.9 | 21.6 | 27.9 | 33.8 | 44.5 | 58.1 | 68 | 87.2 | |
| 1.98 | 3.42 | 4.4 | 6.74 | 8.2 | 10.02 | 12.96 | 16.73 | 20.28 | 25.92 | 33.48 | 40.56 | 53.4 | 69.72 | 81.6 | 104.64 | ||
| Input power | KW | 0.88 | 1.35 | 2 | 2.25 | 2.66 | 3.27 | 4.07 | 5.75 | 6.45 | 8.25 | 11.5 | 12.9 | 17.45 | 21.73 | 25.4 | 33.1 |
| Max Current | A | 5.4 | 8.2 | 12 | 13.6 | 6.6 | 8.2 | 10.1 | 13.8 | 15.5 | 20 | 27.9 | 31.3 | 42.4 | 52.7 | 63.7 | 80.2 |
| Power source | 1PH~220V/3PH~220V/380V 50HZ/60HZ | 3PH～380V/415V/480V～50HZ/60HZ(3PH～200V/220V 50HZ/60HZ) | |||||||||||||||
| Refrigerant | Type | R22/R407C/134a/404A/410A | |||||||||||||||
| Control | Capillary / thermostatic expansion valve | ||||||||||||||||
| Compressor | Type | Hermetic Rotary | Hermetic scroll ( piston ) | ||||||||||||||
| Power(KW) | 0.45 | 0.89 | 1.3 | 1.73 | 2.1 | 2.7 | 3.5 | 4.55 | 5.25 | 3.5×2 | 4.55×2 | 5.25×2 | 7×2 | 8.96×2 | 10.8×2 | 8.96×3 | |
| Condenser | Type | Efficient finned copper tube with aluminum+low noise external rotor fan | |||||||||||||||
| Air flow (m³/h) | 750 | 1000 | 1500 | 2000 | 2500 | 3000 | 4000 | 5000 | 6000 | 8000 | 10000 | 12000 | 15000 | 20000 | 25000 | 30000 | |
| Air blower（KW） | 0.06 | 0.09 | 0.15 | 0.15 | 0.19 | 0.14×2 | 0.14×2 | 0.19×2 | 0.19×2 | 0.25×2 | 0.45×2 | 0.45×2 | 0.6×2 | 0.78×2 | 0.78×2 | 0.42×6 | |
| Evaporator | Type | SS Tank coil / shell and tube type / Plate type heat exchanger | |||||||||||||||
| Chilled water (m³/h) | 0.28 | 0.49 | 0.64 | 0.97 | 1.12 | 1.44 | 1.86 | 2.4 | 2.91 | 3.71 | 4.8 | 5.81 | 7.65 | 10 | 11.69 | 15 | |
| 0.34 | 0.59 | 0.76 | 1.16 | 1.4 | 1.72 | 2.23 | 2.88 | 3.49 | 4.46 | 5.76 | 7 | 9.18 | 11.99 | 14.03 | 18 | ||
| Water tank(L) | 10.6 | 18.3 | 27 | 27 | 50 | 50 | 60 | 60 | 110 | 120 | 200 | 200 | 270 | 350 | 350 | 420 | |
| Inlet/outlet pipe (inch) | 1/2″ | 1/2″ | 1/2″ | 1/2″ | 1″ | 1″ | 1″ | 1″ | 1″ | 1-1/2″ | 2″ | 2″ | 2″ | 2″ | 2-1/2″ | 2-1/2″ | |
| Oil pump | Power (kw) | 0.37 | 0.37 | 0.37 | 0.37 | 0.37 | 0.37 | 0.37 | 0.75 | 0.75 | 0.75 | 1.5 | 1.5 | 2.2 | 2.2 | 2.2 | 4 |
| Max lift(m) | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 30 | 30 | 25 | 25 | 25 | 28 | 28 | 28 | 30 | |
| Max flow (m3) | 5.4 | 5.4 | 5.4 | 5.4 | 5.4 | 5.4 | 5.4 | 8.1 | 8.1 | 8.1 | 13.5 | 13.5 | 25.2 | 25.2 | 25.2 | 36 | |
| Safety protection | Compressor inner protection, over current protection, high/low pressure protection, over temperature protection, flow rate protection, phase sequence/phase missing protection, low level coolant protection, anti freezing protection, exhaust overheat protection | ||||||||||||||||
| Dimension | L(mm) | 500 | 560 | 600 | 600 | 720 | 850 | 980 | 1100 | 1180 | 1450 | 1530 | 1530 | 1650 | 1850 | 1900 | 2250 |
| W(mm) | 350 | 420 | 420 | 480 | 550 | 580 | 520 | 580 | 620 | 750 | 750 | 750 | 910 | 1000 | 1050 | 1400 | |
| H(mm) | 600 | 720 | 770 | 910 | 1350 | 1030 | 1170 | 1350 | 1350 | 1500 | 1630 | 1630 | 1740 | 1850 | 1970 | 1950 | |
| Net weight（KG） | 45 | 70 | 85 | 95 | 125 | 150 | 175 | 195 | 220 | 285 | 350 | 370 | 510 | 630 | 820 | 950 | |
| Note: The above specifications are according to the following design conditions: 1, 20℃/15℃.inlet/outlet coolant oil temperature 20℃/15℃. 2, 33℃/38℃.Cooling air inlet/outlet temperature 33℃/38℃. We reserve the right to modify the specification without further notice. | |||||||||||||||||
Precision Bearing Grinding in Japan
A precision bearing grinding factory in Japan, with a CNC grinding machine spindle rotating at 18,000 rpm, experienced a change in dimensions due to thermal displacement of the spindle after continuous processing. Chillerone provided a 3.5 kW (approximately 1 ton of cooling capacity) spindle oil chiller, which maintained the spindle oil temperature at 24 ± 0.5°C. The thermal displacement decreased from 42 μm to 24 μm, reducing the dimensional deviation, and the manual compensation per shift decreased from 6 times to 2 times. The customer believed that this CNC spindle oil chiller improved the consistency of grinding.
German Aerospace Five-Axis Machining
A German aerospace parts factory’s five-axis machining center spindle rotates at 24,000 rpm. After long-term processing, the surface quality deteriorated. Chillerone provided a 5.5 kW (approximately 1.6 tons of cooling capacity) spindle oil cooler to control the spindle oil temperature at 22°C. The surface roughness Ra decreased from 1.6 μm to 1.1 μm, the one-time qualification rate increased from 94.2% to 98.1%, and the annual rework time was reduced by approximately 240 hours. The customer recognized the role of the spindle chiller fluid in stabilizing the oil temperature.
Korean High-Speed Mold Machining
A precision mold factory in South Korea operates a high-speed machining center with a spindle speed of 30,000 rpm. Before fine processing, the spindle required a long thermal stabilization time. Chillerone supplied a 7.5 kW (approximately 2.1 tons of cooling capacity) spindle oil chiller to control the spindle oil temperature and shorten the thermal stabilization period. The stabilization time decreased from 105 minutes to 68 minutes, the first-hour scrap rate dropped from 3.1% to 1.4%, and annual effective processing time increased by approximately 260 hours. The customer stated that this spindle oil chiller significantly improved high-speed machining efficiency.
American CNC Machine Tool OEM
An American CNC machine tool manufacturer unified the spindle cooling for multiple models. Chillerone provided a 2.2 kW (approximately 0.6 tons of cooling capacity) spindle oil chiller, compatible with 12 models, and installed approximately 120 units per year. After unification, the cooling configuration decreased from 5 types to 1 type, the number of spare parts SKUs was reduced by 42%, and the installation time per machine decreased from 3.5 hours to 2.5 hours. The customer believed that this spindle oil specification standardization solution reduced the complexity of after-sales service.
See the Spindle Oil Chiller in Action
Watch how the spindle oil chiller delivers stable temperature control, fast cooling response, and reliable performance in real industrial working conditions.
What Is A Spindle Oil Chiller?
ChillerOne spindle oil chiller is a key device for forced cooling of machine tool spindles.
It directly pumps cooling oil into the cooling channels inside or around the spindle through a circulation system, using the oil as a cooling medium to absorb the huge heat generated when the spindle rotates at high speed, thereby precisely controlling the spindle temperature of your machine tool.
Its core function is to prevent the spindle from thermal deformation due to overheating, which ensures the processing accuracy of your products. Moreover, it protects precision bearings and maintains the stable operation of high-precision machine tools.
Why Do You Need A Spindle Oil Chiller?
When the spindle runs at high speed, it generates a huge amount of heat. You must use a spindle oil chiller to force circulation and heat exchange to solve the problems and malfunctions that may occur in your equipment.
Prevent Thermal Deformation
Once the spindle overheats, thermal deformation will occur, which will cause deviations in the size and shape of the workpiece you process. Our spindle oil chiller can stabilize the temperature of the spindle within an accurate range by continuously cooling it down, which ensures the machining accuracy of the machine tool.
Protect Precision Bearings
The continuous high temperature during the operation of the machine tool will disrupt the lubrication state of the bearings, accelerate their wear, and eventually lead to the premature failure of your bearings. Using a spindle oil chiller to maintain a stable oil temperature is the key to ensuring the long-term and stable operation of the spindle bearings.
Maintain the Performance of the Cooling Oil
If the temperature of the cooling oil is too high, its viscosity will decrease, its lubricating and cooling capabilities will weaken, and at the same time, it will accelerate oxidation and deterioration. Our spindle oil chiller not only cools the spindle but also maintains the inherent performance and service life of the cooling oil itself.
The Working Principle of the Spindle Oil Chiller
- Step 1: The circulating oil pump extracts the oil from the machine tool spindle that has been heated due to absorbing the heat from the spindle.
- Step 2: The high-temperature oil is pumped into the heat exchanger of the chiller. After the hot oil fully contacts the flowing cooling medium such as cold water or cold air, the heat in the oil is transferred to the cooling medium.
- Step 3: The cooling medium that has absorbed the heat from the oil carries the heat to the environment, thereby ultimately discharging the heat generated by the main shaft.
- Step 4: The cooled oil is pumped back into the main shaft and circulates again, absorbing and carrying away new heat.
Through this closed cycle, oil acts as an intermediate coolant, continuously transporting the heat inside the spindle to the outside, which achieves precise temperature control.
Features of Spindle Oil Chillers
Oil Cooling
Our spindle oil chiller uses oil as the cooling carrier, allowing it to circulate directly within the spindle to absorb heat, and then dissipate the heat externally through a heat exchanger, which achieves efficient and uniform heat exchange.
Continuous Cooling
ChillerOne spindle oil chiller is not a passive heat dissipation device. Instead, it forces the cooling oil to flow continuously between the spindle and the cooler through an internal circulating oil pump, achieving active and continuous precise control of the spindle temperature.
High Precision
The core objective of our spindle oil chiller is to maintain a constant working temperature of the spindle (typically controlled within room temperature ±1 to 2°C). This not only ensures the high-precision processing of your spindle but also effectively prevents thermal deformation of the spindle.
Compact Structure
As an independent functional unit, the spindle oil chiller highly integrates components such as the oil pump, oil tank, heat exchanger, filter and control system, forming a compact product that is convenient for your installation and maintenance on the machine tool.
Safety
Our spindle oil chillers are usually equipped with multiple safety devices, such as flow alarms, temperature sensors, liquid level switches, etc. Once any abnormality occurs, they can immediately alarm or shut down to protect your expensive spindles and bearings from damage.
ChillerOne – Your Leading Supplier of Chiller Equipment
As a well-known manufacturer and supplier of water chillers in China, we have designed various air chillers and water chillers, and can customize different process chillers according to your specific needs. The spindle oil chiller introduced in this article can precisely control the temperature of the spindle, enabling your high-precision production.
If your project is preparing to purchase a spindle oil cooler, ChillerOne is a good choice for you. If you have any further questions related to the cooler, please feel free to contact us at any time. We will ensure that your procurement process is economical, efficient and compliant, providing support for your business development.
When choosing a suitable spindle oil chiller, you need to consider: the driving power and speed of the spindle, the maximum temperature of the working environment, and the temperature control accuracy you require. You only need to provide the model of the machine tool and the parameters of the spindle. We will offer you professional selection recommendations to ensure a perfect match for your machine tool.
Our product can stably control the spindle oil temperature within the precision range of room temperature ±1℃-2℃, which fundamentally prevents inaccurate precision caused by thermal deformation and provides a guarantee for your ultra-precision processing.
We are compatible with the mainstream hydraulic oil and spindle-specific lubricating oil in the market, and there are no particularly strict requirements. When the equipment is delivered, we will provide guidance services.
We adopt low-noise fan and compressor technology and optimize the operation resonance. Under the same specifications, the operating noise of our equipment is lower than the industry average, which creates a quiet working environment for you.
Sure. Our equipment is an independent peripheral auxiliary system, which is connected to the spindle through a standard interface and has wide compatibility.
All of our products are equipped with high-efficiency compressors and energy-saving circulating pumps, and our standby losses are reduced through intelligent temperature control. In the long term, the cost savings and the benefits brought by high-precision processing far exceed the energy consumption.
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